# Simple Calendar

> A lightweight calendar addon for Firefox.

Canonical page: [https://chrome-stats.com/d/sl-calendar](https://chrome-stats.com/d/sl-calendar)

## Overview

- **ID:** `sl-calendar`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** QiQi
- **Category:** appearance
- **Daily users:** 9
- **Weekly downloads:** 2
- **Version:** 1.0
- **Last updated:** 2025-07-10
- **First published:** 2025-07-07
- **Size:** 16 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/sl-calendar/)
- **Website:** [https://88clb.taipei/](https://88clb.taipei/)

## Description

A lightweight calendar addon for Firefox.

## Rankings

- #34,950 — Overall
- #37 — calendar
- #244 — simple

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension website URL may be invalid

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Lite Calendar](https://chrome-stats.com/d/lite-calendar)
- [Calendar](https://chrome-stats.com/d/simple-calendar-sl) — 12 users
- [Simple Calendar](https://chrome-stats.com/d/simple-calendar-hehe) — 111 users, 2.00 / 5
- [Calendar](https://chrome-stats.com/d/calendar-sp) — 132 users
- [Simple Calendar](https://chrome-stats.com/d/simple-calendar-ntp) — 5 users
- [Simple Clock](https://chrome-stats.com/d/simple-clock-at) — 2 users
- [Simple Calculator](https://chrome-stats.com/d/simple-calculator-v2)
- [Tiny calendar](https://chrome-stats.com/d/tinycalendar) — 6 users
- [Google Calendar Sidebar](https://chrome-stats.com/d/google-calendar-sidebar) — 11 users
- [Simple Timer Addon](https://chrome-stats.com/d/simple-timer-addon) — 2 users
- [Free Video Downloader](https://chrome-stats.com/d/quick-simple-calendar) — 5,084 users, 3.78 / 5
- [Popculator](https://chrome-stats.com/d/popculator)

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Source: [Chrome-Stats](https://chrome-stats.com/d/sl-calendar)